Home / 884,684.65-1,220,828.61-497,489.06

Finding the Fourth Proportional to 884,684.65, 1,220,828.61 and 497,489.06

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Solution

The fourth proportional to 884,684.65, 1,220,828.61 and 497,489.06 is: 686,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,684.65 : 1,220,828.61 = 497,489.06 : x
  2. Step 2: Convert to fraction form
    884,684.65/1,220,828.61 = 497,489.06/x
  3. Step 3: Cross multiply
    884,684.65x = 1,220,828.61 × 497,489.06
  4. Step 4: Simplify right side
    884,684.65x = 607,348,877,610.01
  5. Step 5: Solve for x
    x = 607,348,877,610.01/884,684.65
  6. Step 6: Final answer
    x = 686,514.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.